#include<add.h>
#include<sub.h>
#include<stdio.h>

int main()
{
  int x = 10;
  int y = 20;

  int x1 =myadd(x, y);
  int y1 =mysub(x, y);

  printf("myadd :: %d\n", x1);
  printf("mysub :: %d\n", y1);

  return 0;
}
